1.Fourty and twenty is sixty.
2.Fifty seven and four is sixty one.
3.Eighteen and seven is twenty five.
4.Seventy eight and fourteen is ninety two.
5.Nineteen and eight is twenty seven.
6.Sixty eight and fifteen is eighty three.
7.Fourty two and fourth five is ninety seven.
8.Eighty three and seven is ninety.
9.Eighty five and fifteen is one hundred.
10.Ninety nine and one is one hundred.
11.Fifty three and fourth seven is one hundred.
12.Twenty seven and seventy three is one hundred.